Guardrail marker



FIG. 1 is a bottom plan view of a guardrail marker showing my new design;

FIG. 2 is a perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a side elevational view of a second embodiment thereof, wherein the only difference resides in the inclusion of a second reflector on the rear surface thereof it being understood that the opposite side is a mirror image; and,

FIG. 9 is a top plan view thereof, with the bottom being the same as FIG. 1.

The front and rear of the second embodiment is the same as the front of the first embodiment shown in FIG. 6. 

The ornamental design for an guardrail marker, as shown and described. 